The following diagram shows some registers like processor registers R1 and R2, Program counter PC and Index Register XR along with their corresponding values. It also shows a memory with some instructions like instruction A and next instruction.The memory holds instruction B which consists of four fields as given above. First field of instruction represents the addressing Mode (I), second field specifies Opcode (operation code) ADD representing operation addition, the third field represents Address field 1 and the fourth field represents Address field 2. Consider the following addressing modes, evaluate the result of execution of above instruction by giving steps of evaluation for each addressing mode for the scenario given above. Immediate Mode  Direct Mode Register Relative Mode Index ModeNote: Choose your own values for variables k – w, T1, T2. Choose any one of the given value for T3 (200 or 300). PC101Instruction B102Next InstructionR1 = T1200K250R2 = T2300M302NXR = T3400402P500600R602650700800VInstruction BModeADD200300(1)(Opcode)(Address field 1)(Address field 2)The memory holds instruction B which consists of four fields as given above. Firstfield of instruction represents the addressing Mode (1), second field specifiesOpcode (operation code) ADD representing operation addition, the third fieldrepresents Address field 1 and the fourth field represents Address field 2. Considerthe following addressing modes, evaluate the result of execution of aboveinstruction by giving steps of evaluation for each addressing mode for the scenariogiven above.Immediate ModeDirect ModeRegisterRelative ModeIndex ModeNote: Choose your own values for variables k- w, T1, T2. Choose any one of the given value forT3 (200 or 300).(50 marks) 3. The following diagram shows some registers like processor registers R1 and R2, Program counterPC and Index Register XR along with their corresponding values. It also shows a memory withsome instructions like instruction A and next instruction.

Part(a) The addressing modes refer to the many methods in which operands are declared in an…

Answered: The following diagram shows some…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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The following diagram shows some registers like processor registers R1 and R2, Program counter PC and Index Register XR along with their corresponding values. It also shows a memory with some instructions like instruction A and next instruction.
The memory holds instruction B which consists of four fields as given above. First field of instruction represents the addressing Mode (I), second field specifies Opcode (operation code) ADD representing operation addition, the third field represents Address field 1 and the fourth field represents Address field 2. Consider the following addressing modes, evaluate the result of execution of above instruction by giving steps of evaluation for each addressing mode for the scenario given above.
 Immediate Mode  Direct Mode
 Register
 Relative Mode
 Index Mode
Note: Choose your own values for variables k – w, T1, T2. Choose any one of the given value for T3 (200 or 300).

PC
101
Instruction B
102
Next Instruction
R1 = T1
200
K
250
R2 = T2
300
M
302
N
XR = T3
400
402
P
500
600
R
602
650
700
800
V
Instruction B
Mode
ADD
200
300
(1)
(Opcode)
(Address field 1)
(Address field 2)
The memory holds instruction B which consists of four fields as given above. First
field of instruction represents the addressing Mode (1), second field specifies
Opcode (operation code) ADD representing operation addition, the third field
represents Address field 1 and the fourth field represents Address field 2. Consider
the following addressing modes, evaluate the result of execution of above
instruction by giving steps of evaluation for each addressing mode for the scenario
given above.
Immediate Mode
Direct Mode
Register
Relative Mode
Index Mode
Note: Choose your own values for variables k- w, T1, T2. Choose any one of the given value for
T3 (200 or 300).
(50 marks)

3. The following diagram shows some registers like processor registers R1 and R2, Program counter
PC and Index Register XR along with their corresponding values. It also shows a memory with
some instructions like instruction A and next instruction.

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